mashable.com Advertising is going to change more in the next 20 years than it has in the last 100. If you need proof of that, just look at the patent Google was granted Thursday for a Google Glass-based ad system. Dubbed "pay-per-gaze," the content would charge advertisers for the number of times someone literally looked at their ad. The concept is buried pages deep in a patent for a "gaze tracking technique ... implemented with a head-mounted gaze-tracking device that communicates with a server." to read more click here: mashable.com
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